$ git clone -n https://src.fedoraproject.org/rpms/ghc-colourista.git /var/lib/mock/f39-build-1980154-43341/root/chroot_tmpdir/scmroot/ghc-colourista
Cloning into '/var/lib/mock/f39-build-1980154-43341/root/chroot_tmpdir/scmroot/ghc-colourista'...
$ git fetch origin 8b196e32d26d1edaaeff35e8c564d3ec255e01f0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-colourista
 * [new ref]         8b196e32d26d1edaaeff35e8c564d3ec255e01f0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b196e3 bump release